Himself (archive footage)
Carl Sagan
Himself
John Casani
James F. Bell
Frank Locatell
Herself
Suzanne Dodd
Jon Lomberg
Heidi Hammel
Candy Hansen
Andrew Ingersoll
Dave Linick
Fernando Peralta
Linda J. Spilker
Lawrence Krauss
Tom Spilker
Janet Sternberg
Amahl Drake
Don Gurnett
Stamatios Krimigis
Linda Morabito
Self - Imaging Science Team Leader
Bradford A. Smith
Richard John Terrile
Self
Frank Drake
Carolyn Porco
Timothy Ferris
Edward Stone
Nick Sagan
Larry Soderblom
Charley Kohlhase
Fran Bagenal
Producer
John Murray
Camera Operator
Kate McCullough
Director
Emer Reynolds
Editor
Tony Cranstoun
Sound
Kieran Horgan
Line Producer
Zlata Filipovic
Original Music Composer
Ray Harman
Production Director
Siobhán Ward
Executive Producer
Keith Potter
Sean B. Carroll
Dennis Liu
Visual Effects
Enda O'Connor
Clare Stronge
John Rubin
Archival Footage Research
Aoife Carey
Sound Designer
Steve Fanagan